CY14B101LA-ZS45XI(2011) Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY14B101LA-ZS45XI Datasheet PDF : 26 Pages
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CY14B101LA
CY14B101NA
Truth Table For SRAM Operations
HSB must remain HIGH for SRAM operations
Table 3. Truth Table for x8 Configuration
CE
WE
OE
Inputs/Outputs[43]
H
X
X High Z
L
H
L Data Out (DQ0–DQ7);
L
H
H High Z
L
L
X Data in (DQ0–DQ7);
Mode
Deselect/Power-down
Read
Output disabled
Write
Power
Standby
Active
Active
Active
Table 4. Truth Table for x16 Configuration
CE
WE
OE BHE[44] BLE[44]
Inputs/Outputs[43]
H
X
X
X
X High Z
L
X
X
H
H High Z
L
H
L
L
L Data Out (DQ0–DQ15)
L
H
L
H
L Data Out (DQ0–DQ7);
DQ8–DQ15 in High Z
L
H
L
L
H Data Out (DQ8–DQ15);
DQ0–DQ7 in High Z
L
H
H
L
L High Z
L
H
H
H
L High Z
L
H
H
L
H High Z
L
L
X
L
L Data In (DQ0–DQ15)
L
L
X
H
L Data In (DQ0–DQ7);
DQ8–DQ15 in High Z
L
L
X
L
H Data In (DQ8–DQ15);
DQ0–DQ7 in High Z
Mode
Deselect/Power-down
Output disabled
Read
Read
Read
Output disabled
Output disabled
Output disabled
Write
Write
Write
Power
Standby
Active
Active
Active
Active
Active
Active
Active
Active
Active
Active
Notes
43. Data DQ0 - DQ7 for x8 configuration and Data DQ0 - DQ15 for x16 configuration.
44. BHE and BLE are applicable for x16 configuration only.
Document #: 001-42879 Rev. *K
Page 17 of 26
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